fix: correct socket address lifetime error

runtime/include/sandbox_request.h

@@ -17,7 +17,7 @@ struct sandbox_request {
 	struct module * module;
 	char *          arguments;
 	int             socket_descriptor;
-	struct sockaddr *socket_address;
+	struct sockaddr socket_address;
 	uint64_t        request_arrival_timestamp; /* cycles */
 	uint64_t        absolute_deadline;         /* cycles */
 
@@ -77,7 +77,7 @@ sandbox_request_allocate(struct module *module, char *arguments, int socket_desc
 	sandbox_request->module            = module;
 	sandbox_request->arguments         = arguments;
 	sandbox_request->socket_descriptor = socket_descriptor;
-	sandbox_request->socket_address            = (struct sockaddr *)socket_address;
+	memcpy(&sandbox_request->socket_address, socket_address, sizeof(struct sockaddr));
 	sandbox_request->request_arrival_timestamp = request_arrival_timestamp;
 	sandbox_request->absolute_deadline         = request_arrival_timestamp + module->relative_deadline;
 

runtime/src/sandbox.c

@@ -476,7 +476,7 @@ sandbox_set_as_initialized(struct sandbox *sandbox, struct sandbox_request *sand
 	sandbox->absolute_deadline        = sandbox_request->absolute_deadline;
 	sandbox->arguments                = (void *)sandbox_request->arguments;
 	sandbox->client_socket_descriptor = sandbox_request->socket_descriptor;
-	memcpy(&sandbox->client_address, sandbox_request->socket_address, sizeof(struct sockaddr));
+	memcpy(&sandbox->client_address, &sandbox_request->socket_address, sizeof(struct sockaddr));
 
 	sandbox->last_state_change_timestamp = allocation_timestamp; /* We use arg to include alloc */
 	sandbox->state                       = SANDBOX_INITIALIZED;